^"Rodman Wanamaker Buys The Evening Telegraph". New York Times. February 3, 1911. Retrieved 2011-05-27. Rodman Wanamaker bought The Philadelphia Evening Telegraph to-day from his brother-in-law, Barclay H. Warburton. Mr. Warburton confirmed the sale when questioned at his home in Ogontz to-night, but declined to give the consideration

^"Ex-publisher Passes Away". Associated Press. December 7, 1954. Retrieved 2011-05-27. Warburton was publisher of the old Philadelphia Evening Telegraph a newpaper founded by his father. He was formerly director of welfare and special police ...